Agilent Technologies 83650B Service Guide

Sweep Mode:
A versus
B
Adjust
Channel B
oset, v
olts/division, and
horizontal
p
osition
con
trols
for
a
trace
that
lls
the
full
horizon
tal
displa
y
.
Adjust
the
v
ertical p
osition with
the A
vertical
position
con
trol.
6.
Make
certain that
calibration constan
t
#131,
Squegg
Clamp
1A,
is
set
to
255.
Then adjust
A12R69, YTMG,
to
maximize
high
end
p
o
w
er
(last
t
w
o
horizon
tal
displa
y
divisions).
7.
Mo
dify
calibration constan
t#238,
YTM Oset;
Band 1,
to
maximize
lo
w
end
p
o
w
er.
8. Rep
eat
steps
6
and
7
un
til
the
en
tire
band
is
p
eak
ed.
9.
Record
the
v
alue
of
calibration
constan
t
#238,
YTM Oset;
Band 1
.
Step
do
wn
the
calibration
constan
t
in
100
coun
t
steps and
verify
that the
en
tire
trace
shifts
do
wn ev
enly.
If the
p
o
w
er
c
hange
is
not
uniform,
rep
eat
steps
6
through
8
again.
Change
calibration
constan
t
#238
bac
k
to
its
original
v
alue.
Band
2
Adjustment.
10.
On
the
syn
thesizer,
press:
4
ST
ART
5
4
7
5
4
GHz
5
4
STOP
5
4
13.5
5
4
GHz
5
11.
Set the
oscilloscop e
v
ertical
p
osition
as
necessary
to
displa
y
the
trace.
12.
Mo
dify
calibration
constan
t
#226, YTM
Gain; Band
2,
to
maximize
high
end
p
o
w
er.
The
high
end
p
o
w
er
ma
y
p
eak
t
wice.
If
it do
es, adjust
the
calibration
constan
t
to
the
lo
w
er
p
eak
(where
the
v
alue
of
the
calibration
constan
t
is
the
lo
w
er
n
um
b
er).
13.
Mo
dify
calibration
constant
#239,
YTM
Oset;
Band
2,
to
maximize
lo
w
end
p
o
w
er.
P
o
w
er
ma
y
p
eak
t
wice.
Adjust
to
the lo
w
er
p
eak.
14.
Adjust
band
2
SRD
bias
calibration
constan
ts
as
follo
ws:
a.
Incremen
t calibration
constan
t
#106,
SRD
Bias
A;
Band
2,
to
maximize
lo
w
end
p
o
w
er.
Then
decrease
the
calibration
constan
tv
alue b
y
15
coun
ts.
b.
Incremen
t
calibration
constan
t
#119,
SRD
Bias
B;
Band
2,
to
maximize
high
end
po
w
er.
Then
decrease
the
p
o
w
er
b
y
one
third
division
(

1/2
dB).
15.
Rep
eat
steps 12
through 14
until
the en
tire
band
is
p
eak
ed.
16.
Record
the
v
alue
of
calibration
constan
t
#239,
YTM
Oset;
Band 2
.
Step
do
wn
the
calibration
constan
t
in
100
coun
t steps
and v
erify that
the en
tire
trace
shifts
do
wn
ev
enly
.
If
the
p
o
w
er
c
hange
is
not
uniform,
repeat
steps 12
through 15.
Change
calibration constan
t #239
back
to its
original v
alue.
Band 3 Adjustment.
17. On the
synthesizer, press:
4
START
54
13.5
54
GHz
5
4
STOP
54
20
54
GHz
5
18. Set A12R25 B3S1 fully clo c
kwise (see Figure 3-12
).
Note
There are t
wo sets of p oten
tiometers on
the A12 assem
bly with iden
tical
names. Make certain you are adjusting the correct ones.
3-26 Adjustments
Amplifier/Multiplier Adjustments
Agilent 8360

Agilent Technologies 83650B Specifications

General

Brand	Agilent Technologies
Model	83650B
Category	Portable Generator
Language	English